diff --git a/.eslintignore b/.eslintignore
index 1505c62d6a7..f37d77fb972 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -57,6 +57,7 @@ lib/maxmind/MaxMind/
 lib/ltiprovider/
 lib/amd/src/truncate.js
 lib/fonts/
+lib/validateurlsyntax.php
 media/player/videojs/amd/src/video-lazy.js
 media/player/videojs/amd/src/Youtube-lazy.js
 media/player/videojs/videojs/
diff --git a/.stylelintignore b/.stylelintignore
index 73c69be6b16..392cab1e783 100644
--- a/.stylelintignore
+++ b/.stylelintignore
@@ -58,6 +58,7 @@ lib/maxmind/MaxMind/
 lib/ltiprovider/
 lib/amd/src/truncate.js
 lib/fonts/
+lib/validateurlsyntax.php
 media/player/videojs/amd/src/video-lazy.js
 media/player/videojs/amd/src/Youtube-lazy.js
 media/player/videojs/videojs/